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1 year ago

Gigi did 85 sit-ups in 2 minutes, 50 seconds. Sam did 32 sit-ups in 48 seconds. Who did sit-ups at a faster rate?

Mathematics

1 answer:

Andrej [43]1 year ago

7 0

Answer:Sam did

Step-by-step explanation:

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Due today helpppppppppp

Rudiy27

Answer:

Step-by-step explanation:

c and d

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2 years ago

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64, –48, 36, –27, ...<br><br> Which formula can be used to describe the sequence?

nordsb [41]

Answer:

$\boxed{a_n \: = \: 64 \: \times \: ( - \frac{3}{4} ) ^{n \: - \: 1} }$

Step-by-step explanation:

We first compute the ratio of this geometric sequence.

$r \: = \: \frac{ - 48}{64} \\ \\ r \: = \: \frac{36}{ - 48} \\ \\ r \: = \: \frac{ - 27}{36}$

We simplify the fractions:

$r \: = \: - \frac{3 }{4} \\ \\ r \: = \: - \frac{3 }{4} \\ \\ r \: = \: - \frac{3 }{4}$

We deduce that it is the common ratio because it is the same between each pair.

$r \: = \: - \frac{3 }{4}$

We use the first term and the common ratio to describe the equation:

$a_1 \: = \: 64; \: r \: = \: - \frac{3 }{4}$

<h3>We apply the data in this formula:</h3>

$\boxed{a_n \: = \: a_1 \: \times \: {r}^{ n \: - \: 1} }$

_______________________

<h3>We apply:</h3>

$\boxed {\bold{a_n \: = \: 64 \: \times \: {( - \frac{3}{4} )}^{ n \: - \: 1} }}$

<u>Data</u>: The unknown "n" is the term you want

<h3><em><u>MissSpanish</u></em></h3>

4 0

1 year ago

2 2/3 divided by 1/3?

sergejj [24]

2 2/3 = 2x3+2/3 = 8/3
8/3 / 1/3 = 8/3 x 3/1 = 8/1 = 8

4 0

2 years ago

Read 2 more answers

A number is 6 greater than 1\2 another number. If the sum of the numbers is 21,find the numbers.

Lemur [1.5K]

Let 1 number equal x
<span>Let the other number equal 1/2x + 6

x + (1/2x + 6) =21
1 & 1/2 x + 6 =21
1 & 1/2 x =15
</span>

5 0

2 years ago

What is the first step in writing f(x) = 3x2 + 6x – 8 in vertex form?

madreJ [45]

F(x)=3x^2+6x-8
Formula: a=-b/2(a)
a=-6/2(3)=-3
I guess the answer is d)

3 0

2 years ago

Read 2 more answers